VB编程求e=1 1 1! 1 2! 1 3! - 1 N! 的近似值-搜答案-神马作文网

dimnum3,num7asintegerfori=1to1000ifimod3=0thennum3=num3+1endififimod7=0thennum7=num7+1endifnext最后num

dimaasintegerdimbasintegerdimnasintegerdims1asintegerdims2asintegerforn=atobifos(n)=truethens1=s1+n^

Dimn,x,r,sAsSinglen=2s=0DoWhilen再问：能说一下算法的思路吗？再答：首先1不是素数,就用枚举将2到1000的每个数列举出来,再逐个检验,即从2到n/2一一举例，判断是否能

n=val(inputbox"请输入一个数字.")fori=1tona=a+inextiprinta

PrivateSubCommand1_Click()DimaAsIntegerDimbAsIntegerDimcAsIntegerDimiAsInteger,jAsIntegera=Text1b=Te

是没有思路,还是不会编程?至少有一位数字是5用以下的子函数boolIsInclude5(intnum){while(num!=0){if(num%10==5)returntrue;num=num/10

简单就是不会再问：....再答：不是不会是好久没做了差不多都忘了呵呵

PrivateSubForm_Load()Fori=1To50n=1Forj=2Toin=n*jNexts=s+1/nNextMsgBoxsEndSu

for循环修改下fori=1to2n-1step2a=a+inexti

代码：Private Sub Command1_Click() Call max100End SubSub&nbs

你好!PrivateSubForm_Click()DimiAsIntegerDimsAsIntegerFori=1To100s=s+iNextiPrintsEndSu

DimaAsDoubleDimsAsDoubleDimeAsSingleDimtAsSinglea=1s=1e=1DoWhile1/s>=10^(-0.4)s=s*at=1/se=e+ta=a+1Lo

DimSAsDouble,IAsInteger,TAsIntegerT=1ForI=1To100S=S+T*1/(2*I-1)T=-TNextMsgBoxS*4你的问题应该还有一个条件,就是计算到什么

……t=1s=0Fori=1To10t=t*is=s+tNexti再问：这个要用什么下拉列表呢？再答：Textbox代码是在Botton中完成！

Private Sub Form_Click() Dim N As Integer, e&nb

sum=0fori=1to13product=0forj=1toiproduct=product*jnextjsum=sum+jnexti再答：不好意思，Pad打错了，product=0应改为prod

functionjiecheng(iasinteger)asdoubleforj=1toijiecheng*=inextendfunctiondime=0dimi=0doe+=1/jiecheng(i

Dimi,sAsIntegerFori=2To100step2s=s+iNexti

很简单的~不过你问错地方了

PrivateSubCommand1_Click()DimnAsInteger,iAsIntegerDimxAsVariant,sumAsDoublen=20x=CDec(x)x=1Fori=1Ton